Home / 22,400.29-30,899.54-14,002.21

Finding the Fourth Proportional to 22,400.29, 30,899.54 and 14,002.21

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Solution

The fourth proportional to 22,400.29, 30,899.54 and 14,002.21 is: 19,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400.29 : 30,899.54 = 14,002.21 : x
  2. Step 2: Convert to fraction form
    22,400.29/30,899.54 = 14,002.21/x
  3. Step 3: Cross multiply
    22,400.29x = 30,899.54 × 14,002.21
  4. Step 4: Simplify right side
    22,400.29x = 432,661,847.98
  5. Step 5: Solve for x
    x = 432,661,847.98/22,400.29
  6. Step 6: Final answer
    x = 19,315.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.